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MrMuchimi
3 years ago
7

What is the north star called

Chemistry
2 answers:
Volgvan3 years ago
8 0
<span>Pole star. ... In practice, the term pole star usually refers to Polaris, which is the current northern pole star, also known as the North Star. The south celestial pole lacks a bright star like Polaris to mark its position.</span>
nataly862011 [7]3 years ago
7 0
If you followed this axis out into space from the northern hemisphere on Earth, it would point toward a particular star in the sky. We call that star the "North Star" since it sits in the direction that the spin axis from the northern hemisphere of Earth points. At present, the star known as Polaris is the North Star.
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Which of the following materials is most effective for stopping gamma radiation?
enyata [817]
Several centimeters of lead. Gamma rays have the highest penetrating power and therefore need a thick layer of something, in most cases lead, to prevent penetration. (This is why if you have ever go to the dentist they put a heavy thing on you made of lead, to prevent the penetration of gamma rays that can destroy your most important organs).
5 0
3 years ago
suppose that recording station N located 200 km north of the epicenter of an earthquake, and recording station S is located 100
andrezito [222]

Answer:

c.The value of T at Recording Station N would be greater than T at Recording Station S.

Explanation:

We can deduce from the information provided that the value of T at recording station N would be greater than T at recording station S.

This problem relates distance with time.

       Speed  = \frac{disance}{time}

                  Distance  = Speed x time

  • Just like any other physical quantity, speed of a substance is directly related to time.
  • The larger the time taken the farther the distance it will cover assuming the velocity is constant.
  • Earthquake waves for example moves at constant speed with a unique velocity in earth materials.
  • The farther the distance, the more time it will take to reach the seismic recording station.
  • Since N is a distance of 200km from the epicenter, it will take a greater time and have a higher reading of T to reach the station.
6 0
4 years ago
C3H18 +<br> O2<br> +<br> CO2 + H2O<br> Balance equation
dimulka [17.4K]

Answer:

2C3H18 + 15O2 ---->6CO2 +18H2O

Explanation:

the number of reactant must be equal to the number of product.

7 0
3 years ago
4.4273 x 10 to the 5th divided by 5.3668 x 10 to the 3rd
Rasek [7]

(4.4273 × 10¹⁰)/(5.3668 × 10³) = 0.824 94 × 10⁷ = 8.2494 × 10⁶

6 0
4 years ago
What is the electron configuration of Iron
Novay_Z [31]

The electron configuration of Iron is:

[Ar] 3d⁶4s²

5 0
3 years ago
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